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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3648 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 535 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ∈ wcel 2114 {crab 3401 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 |
| This theorem is referenced by: unimax 4902 fnelfp 7131 fnelnfp 7133 fnse 8085 fin23lem30 10264 isf32lem5 10279 negn0 11578 ublbneg 12858 supminf 12860 sadval 16395 smuval 16420 dvdslcm 16537 dvdslcmf 16570 isprm2lem 16620 isacs1i 17592 isinito 17932 istermo 17933 subgacs 19102 nsgacs 19103 odngen 19518 sdrgacs 20746 lssacs 20930 mretopd 23048 txkgen 23608 xkoco1cn 23613 xkoco2cn 23614 xkoinjcn 23643 ordthmeolem 23757 shft2rab 25477 sca2rab 25481 lhop1lem 25986 ftalem5 27055 vmasum 27195 eqcuts2 27794 elmade 27865 addonbday 28287 israg 28781 ebtwntg 29067 eupth2lem3lem3 30317 eupth2lem3lem4 30318 eupth2lem3lem6 30320 cycpmco2lem1 33220 cycpmco2lem4 33223 cycpmco2 33227 ssdifidllem 33549 1arithufdlem2 33638 tgoldbachgt 34841 cvmliftmolem1 35497 neibastop3 36578 fdc 37996 pclvalN 40266 dvhb1dimN 41362 hdmaplkr 42289 aks4d1p8 42457 sticksstones1 42516 fsuppssind 42951 diophren 43170 islmodfg 43426 fsovcnvlem 44369 ntrneiel 44437 radcnvrat 44670 supminfxr 45822 stoweidlem34 46392 |
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